Antec Kuhler H2O 620 Liquid CPU Cooler System Lastest generation copper cold plate for optimal conduction Non-corrugated easy-bend tubes for maximum flexibility in radiator positioning Intelligent noise/speed -control fan for quiet efficient cooling Low profile pump ensures exceptional liquid circulation while preserving internal airflow Intelligent noise/speed -control fan for quiet efficient cooling Non-corrugated easy-bend tubes for maximum flexibility in radiator positioning Low profile pump ensures exceptional liquid circulation while preserving internal airflow Lastest generation copper cold plate for optimal conduction